Home / Standards / GB/T 42334.1-2023 GB/T 42334.1-2023 Active Specification for operational safety assessment of urban rail transit—Part 1:Metro and light rail 城市轨道交通运营安全评估规范 第1部分:地铁和轻轨 Standard Type GBT ICS 93.080.01 CCS P51 Status 现行 Issue Date 2023-03-17 Implementation 2023-03-17 Responsible Dept 交通运输部 Drafting Unit N/A